Claim means, depending on the context, either:
(a) A written demand or written assertion by one of the parties to a Federal award seeking as a matter of right:
(1) The payment of money in a sum certain;
(2) The adjustment or interpretation of the terms and conditions of the Federal award; or
(3) Other relief arising under or relating to a Federal award.
(b) A request for payment that is not in dispute when submitted.